Ceriwis - PCF8883 IC Proximity Sensor

PCF8883 Adalah sensor proximity buatan NXP Phillips yang digunakan sebagai saklar sentuh ( capacitive proximity switch ) dengan

auto-calibration.

http://selonjorinkaki.files.wordpres...3/pcf88831.jpg

http://selonjorinkaki.files.wordpres...datasheet1.jpg
Features

� Dynamic proximity switch.
� Digital processing method.
� Adjustable sensitivity, can be made very high.
� Adjustable response time.
� Wide input capacitance range (10 pF to 60 pF).
� Automatic calibration.
� A large distance (several meters) between the sensing plate and the IC is possible.
� Open-drain output (P-type MOSFET, external load between pin and ground).
� Designed for battery powered applications (I= 3 �A, typical).
� Output configurable as push-button, toggle, or pulse.
� Wide voltage operating range (V = 3 V to 9 V).
� Large temperature operating range (Tamb= -40 �C to +85 �C).
� Internal voltage regulator.
� SOIC8 package.

Applications

� Proximity detection
� Proximity sensing in Mobile phones
� Portable entertainment units
� Switch for medical applications
� Switch for use in explosive environments
� Vandal proof switches
� Transportation: Switches in or under upholstery, leather, handles, mats, and glass
� Buildings: switch in or under carpets, glass, or tiles
� Sanitary applications: use of standard metal sanitary parts (e.g. tap) as switch
� Hermetically sealed keys on a keyboard

Outputnya dapat dipilih sebagai pulsa, toggle atau push button. Tegangan supply-nya 3 Vdc – 9 Vdc.
:ganteng: